System Administration
Install, configure, and maintain Linux servers (RHEL, Rocky Linux, and Ubuntu).
Manage user accounts, access controls, permissions, file systems, and storage.
Monitor system performance, availability, and capacity planning.
Perform server hardening and implement security configurations.
Manage patching, updates, and system backups.
Ensure high availability and reliability for production systems.
Networking
Configure and manage LAN/WAN infrastructure.
Troubleshoot network-related issues (DNS, DHCP, Firewall, VLAN, and TCP/IP).
Manage switches, routers, and firewall devices.
Monitor bandwidth utilization and network performance.
Ensure network security and compliance with organizational standards.
ISO Audit & Documentation
Maintain IT infrastructure documentation in compliance with ISO 27k, PCI DSS, SOC 2 Type II, and ISO 13485 standards.
Support ISO 27001 ISMS audit activities (internal and external audits).
Maintain asset inventory, access control records, and incident logs.




Implement and enforce IT security policies and procedures.
Assist in risk assessments and compliance reporting.
Troubleshooting & Support
Diagnose and resolve hardware, software, and network issues.
Provide Level 2 and Level 3 technical support.
Perform root cause analysis (RCA) and prepare incident reports.
Coordinate with vendors for hardware and software support.
Ensure minimal downtime and quick issue resolution in production environments.

Required Skills
Robust knowledge of Linux (RHEL, CentOS, Rocky Linux, Ubuntu).
Experience in system patch management and regular security updates.
Experience managing and configuring firewall devices and firewall rules.
Valuable understanding of networking concepts (TCP/IP, VLAN, Routing, Firewall).
Experience with Samba, NFS, DNS, and SSH.
Knowledge of ISO audit documentation and IT compliance processes.
Robust analytical, troubleshooting, and problem-solving skills.

📌 It System Auditor Bengaluru
🏢 Estuate Software
📍 Bengaluru